(STATIC_CHAIN_REGNUM): Redefine to use register a1.

(TRAMPOLINE_TEMPLATE): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@11136 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/config/m68k/m68kv4.h b/gcc/config/m68k/m68kv4.h
index 4864413..3a8b2e0 100644 (file)
--- a/gcc/config/m68k/m68kv4.h
+++ b/gcc/config/m68k/m68kv4.h
@@ -1,5 +1,5 @@
 /* Target definitions for GNU compiler for mc680x0 running System V.4
-   Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc.
+   Copyright (C) 1991, 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
 
    Written by Ron Guilmette (rfg@netcom.com) and Fred Fish (fnf@cygnus.com).
 
@@ -113,6 +113,13 @@ while (0)
 #undef STRUCT_VALUE_REGNUM
 #define STRUCT_VALUE_REGNUM 8
 
+/* Register in which static-chain is passed to a function.  The
+   default in m68k.h is a0, but that is already the struct value
+   regnum.  Make it a1 instead.  */
+
+#undef STATIC_CHAIN_REGNUM
+#define STATIC_CHAIN_REGNUM 9
+
 #define ASM_COMMENT_START "#"
 
 #undef TYPE_OPERAND_FMT
@@ -186,7 +193,8 @@ do {                                                                        \
 
 #undef LIBCALL_VALUE
 #define LIBCALL_VALUE(MODE)                                            \
-  (((MODE) == SFmode || (MODE) == DFmode) && TARGET_68881              \
+  ((((MODE) == SFmode || (MODE) == DFmode || (MODE) == XFmode)         \
+    && TARGET_68881)                                                   \
    ? gen_rtx (REG, (MODE), 16)                                         \
    : gen_rtx (REG, (MODE), 0))
 
@@ -302,3 +310,21 @@ int switch_table_difference_label_flag;
   if (! TARGET_68020 && flag_pic == 2) \
     error("-fPIC is not currently supported on the 68000 or 68010\n"); \
 }
+
+/* Output assembler code for a block containing the constant parts
+   of a trampoline, leaving space for the variable parts.  */
+
+/* On m68k svr4, the trampoline is different from the generic version
+   in that we use a1 as the static call chain.  */
+
+#undef TRAMPOLINE_TEMPLATE
+#define TRAMPOLINE_TEMPLATE(FILE)                                      \
+{                                                                      \
+  ASM_OUTPUT_SHORT (FILE, gen_rtx (CONST_INT, VOIDmode, 0x207b));      \
+  ASM_OUTPUT_SHORT (FILE, gen_rtx (CONST_INT, VOIDmode, 8));           \
+  ASM_OUTPUT_SHORT (FILE, gen_rtx (CONST_INT, VOIDmode, 0x2f3a));      \
+  ASM_OUTPUT_SHORT (FILE, gen_rtx (CONST_INT, VOIDmode, 8));           \
+  ASM_OUTPUT_SHORT (FILE, gen_rtx (CONST_INT, VOIDmode, 0x4e75));      \
+  ASM_OUTPUT_INT (FILE, const0_rtx);                                   \
+  ASM_OUTPUT_INT (FILE, const0_rtx);                                   \
+}